How genetically-modified lettuce grown in space could protect astronauts’ bones on long voyages. Plus, meet Doug, the false potato stripped of Guinness World Record glory in the eleventh hour. And, a two-carat diamond made out of ranch dressing, the Royal Mint in the UK is going to start recovering gold from the nation’s electronic waste, and an important announcement at the end of the show.Sponsors:Indeed, Get a free $75 credit at Indeed.com/goodnewsShopify, Get a 14-day free trial at shopify.com/kottkeLinks:Lettuce Could Protect Astronauts' Bones on Mars Trip (UC Davis)What Happens to the Human Body in Space? (NASA)Is This the World's Largest Potato? (NY Times)Sadly, that huge potato named Doug isn't actually a potato after all (Gizmodo)DNA Test Finds 'World's Largest Potato' Isn't A Potato At All (Food & Wine)Nice try but no potato for New Zealand couple's giant find (AP)Hidden Valley Creates First-Ever Man-Made Diamond Made of Ranch, Giving Super Fans a Stunning 2 Carat Symbol of True Ranch Love (AP)You may now bid on a diamond ring made of ranch dressing (A/V Club)Tue. 03/08 - Diamonds Are the Air's Best Friend (Kottke Ride Home)The Royal Mint to build ‘world first’ plant to turn UK’s electronic waste into gold (Royal Mint)Britain's Royal Mint to build plant that will extract gold from electronic waste (CNBC)Kottke.OrgJackson Bird on TwitterSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.